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Finding the Third Proportional to 5,019.75 and 6,631.88

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Solution

The third proportional to 5,019.75 and 6,631.88 is: 8,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.75 : 6,631.88 = 6,631.88 : x
  2. Step 2: Convert to fraction form
    5,019.75/6,631.88 = 6,631.88/x
  3. Step 3: Cross multiply
    5,019.75x = 6,631.88 × 6,631.88
  4. Step 4: Simplify right side
    5,019.75x = 43,981,766.02
  5. Step 5: Solve for x
    x = 43,981,766.02/5,019.75
  6. Step 6: Final answer
    x = 8,761.74

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.